db.h File Reference

#include "be/tx_credit.h"
#include "be/seg.h"

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Macros
#define	__MOTR_CONF_DB_H__

Functions
M0_INTERNAL int	m0_confdb_create_credit (struct m0_be_seg *seg, const struct m0_confx *conf, struct m0_be_tx_credit *accum)
M0_INTERNAL int	m0_confdb_create (struct m0_be_seg *seg, struct m0_be_tx *tx, const struct m0_confx *conf, const struct m0_fid *btree_fid)
M0_INTERNAL void	m0_confdb_fini (struct m0_be_seg *seg)
M0_INTERNAL void	m0_confdb_destroy_credit (struct m0_be_seg *seg, struct m0_be_tx_credit *accum)
M0_INTERNAL int	m0_confdb_destroy (struct m0_be_seg *seg, struct m0_be_tx *tx)
M0_INTERNAL int	m0_confdb_read (struct m0_be_seg *seg, struct m0_confx **out)

Macro Definition Documentation

__MOTR_CONF_DB_H__

#define __MOTR_CONF_DB_H__

Definition at line 24 of file db.h.

Function Documentation

m0_confdb_create()

M0_INTERNAL int m0_confdb_create	(	struct m0_be_seg *	seg,
		struct m0_be_tx *	tx,
		const struct m0_confx *	conf,
		const struct m0_fid *	btree_fid
	)

Creates configuration database, populating it with provided configuration data.

Precondition

conf->cx_nr > 0

Definition at line 331 of file db.c.

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m0_confdb_create_credit()

M0_INTERNAL int m0_confdb_create_credit	(	struct m0_be_seg *	seg,
		const struct m0_confx *	conf,
		struct m0_be_tx_credit *	accum
	)

Calculates BE credits required by configuration database tables and .

Definition at line 255 of file db.c.

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m0_confdb_destroy()

M0_INTERNAL int m0_confdb_destroy	(	struct m0_be_seg *	seg,
		struct m0_be_tx *	tx
	)

Definition at line 443 of file db.c.

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m0_confdb_destroy_credit()

M0_INTERNAL void m0_confdb_destroy_credit	(	struct m0_be_seg *	seg,
		struct m0_be_tx_credit *	accum
	)

Calculates BE credits in-order to destroy configuration database from persistent store.

Definition at line 380 of file db.c.

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m0_confdb_fini()

M0_INTERNAL void m0_confdb_fini

(

struct m0_be_seg *

seg

)

Finalises in-memory configuration database.

Definition at line 464 of file db.c.

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m0_confdb_read()

M0_INTERNAL int m0_confdb_read	(	struct m0_be_seg *	seg,
		struct m0_confx **	out
	)

Creates m0_confx and populates it with data read from a configuration database.

Note

If the call succeeds, the user is responsible for freeing allocated memory with m0_confx_free(*out).

Definition at line 544 of file db.c.

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